<template>
  <div id="aCoursesList" class="bg-fa of">
    <!-- /课程详情 开始 -->
    <section class="container">
      <section class="path-wrap txtOf hLh30">
        <a href="#" title class="c-999 fsize14">首页</a>
        \
        <a href="#" title class="c-999 fsize14">课程列表</a>
        \
        <span class="c-333 fsize14">{{ courseWebVo.title }}</span>
      </section>
      <div>
        <article class="c-v-pic-wrap" style="height: 357px;">
          <section class="p-h-video-box" id="videoPlay">
            <img :src="courseWebVo.cover" :alt="courseWebVo.title" class="dis c-v-pic" style="height: 100%;width: 100%">
          </section>
        </article>
        <aside class="c-attr-wrap">
          <section class="ml20 mr15">
            <h2 class="hLh30 txtOf mt15">
              <span class="c-fff fsize24">{{ courseWebVo.title }}</span>
            </h2>
            <section class="c-attr-jg">
              <span class="c-fff">价格：</span>
              <b class="c-yellow" style="font-size:24px;">￥{{ courseWebVo.price }}</b>
            </section>
            <section class="c-attr-mt c-attr-undis">
              <span class="c-fff fsize14">主讲： {{ courseWebVo.teacherName }}&nbsp;&nbsp;&nbsp;</span>
            </section>
            <section class="c-attr-mt of">
              <span class="ml10 vam">
                <em class="icon18 scIcon"></em>
                <a class="c-fff vam" title="收藏" href="#" >收藏</a>
              </span>
            </section>
            <section class="c-attr-mt">
              <a href="#" title="立即观看" v-if="Number(courseWebVo.price) === 0 || isBuy" class="comm-btn c-btn-3">立即观看</a>
              <a @click="createOrder()" title="立即购买" v-else class="comm-btn c-btn-3">立即购买</a>
            </section>
          </section>
        </aside>
        <aside class="thr-attr-box">
          <ol class="thr-attr-ol clearfix">
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">购买数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ courseWebVo.buyCount }}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">课时数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ courseWebVo.lessonNum }}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">浏览数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ courseWebVo.viewCount }}</h6>
              </aside>
            </li>
          </ol>
        </aside>
        <div class="clear"></div>
      </div>
      <!-- /课程封面介绍 -->
      <div class="mt20 c-infor-box">
        <article class="fl col-7">
          <section class="mr30">
            <div class="i-box">
              <div>
                <section id="c-i-tabTitle" class="c-infor-tabTitle c-tab-title">
                  <a name="c-i" class="current" title="课程详情">课程详情</a>
                </section>
              </div>
              <article class="ml10 mr10 pt20">
                <div>
                  <h6 class="c-i-content c-infor-title">
                    <span>课程介绍</span>
                  </h6>
                  <div class="course-txt-body-wrap">
                    <section class="course-txt-body">
                        <!--因为描述是富文本宽需要按照html解读-->
                      <p v-html="courseWebVo.description">
                        {{courseWebVo.description}}
                      </p>
                    </section>
                  </div>
                </div>
                <!-- /课程介绍 -->
                <div class="mt50">
                  <h6 class="c-g-content c-infor-title">
                    <span>课程大纲</span>
                  </h6>
                  <section class="mt20">
                    <div class="lh-menu-wrap">
                      <menu id="lh-menu" class="lh-menu mt10 mr10">
                        <ul>
                          <!-- 文件目录 -->
                          <li class="lh-menu-stair" v-for="chapter in chapterVos" :key="chapter.id">
                            <a href="javascript: void(0)" :title="chapter.title" class="current-1">
                              <em class="lh-menu-i-1 icon18 mr10"></em>{{ chapter.title }}
                            </a>
                            <ol class="lh-menu-ol" style="display: block;">
                              <li class="lh-menu-second ml30" v-for="video in chapter.children" :key="video.id">
                                 <a :href="`/player/${video.videoSourceId}`" :title="video.title" target="_blank"><!--target="_blank"打开新页面-->
                                  <span class="fr">
                                    <i class="free-icon vam mr10">免费试听</i>
                                  </span>
                                  <em class="lh-menu-i-2 icon16 mr5">&nbsp;</em>{{ video.title }}
                                </a>
                              </li>

                            </ol>
                          </li>
                        </ul>
                      </menu>
                    </div>
                  </section>
                </div>
                <!-- /课程大纲 -->

                <div class="mt50 commentHtml"><div>
                  <h6 class="c-c-content c-infor-title" id="i-art-comment">
                    <span class="commentTitle">课程评论</span>
                  </h6>
                  <section class="lh-bj-list pr mt20 replyhtml">
                    <ul>
                      <li class="unBr">
                        <aside class="noter-pic">
                          <img width="50" height="50" class="picImg" src="~/assets/img/avatar-boy.gif">
                        </aside>
                        <div class="of">
                          <section class="n-reply-wrap">
                            <fieldset>
                              <textarea name="" v-model="comment.content" placeholder="输入您要评论的文字" id="commentContent"></textarea>
                            </fieldset>
                            <p class="of mt5 tar pl10 pr10">
                              <span class="fl "><tt class="c-red commentContentmeg" style="display: none;"></tt></span>
                              <input type="button" @click="addComment()" value="回复" class="lh-reply-btn">
                            </p>
                          </section>
                        </div>
                      </li>
                    </ul>
                  </section>
                  <section class="">
                    <section class="question-list lh-bj-list pr">
                      <ul class="pr10">
                        <li v-for="(comment,index) in comments" v-bind:key="index">
                          <aside class="noter-pic">
                            <img width="50" height="50" class="picImg" :src="comment.avatar">
                          </aside>
                          <div class="of">
                    <span class="fl">
                    <font class="fsize12 c-blue">
                      {{comment.nickname}}</font>
                    <font class="fsize12 c-999 ml5">评论：</font></span>
                          </div>
                          <div class="noter-txt mt5">
                            <p>{{comment.content}}</p>
                          </div>
                          <div class="of mt5">
                            <span class="fr"><font class="fsize12 c-999 ml5">{{comment.gmtCreate}}</font></span>
                          </div>
                        </li>

                      </ul>
                    </section>
                  </section>

                  <!-- 公共分页 开始 -->
                  <div>
                    <el-pagination
                      @current-change="getComments"
                      :current-page="current"
                      :page-size="pageSize"
                      layout="total, prev, pager, next, jumper"
                      :total="total">
                    </el-pagination>
                  </div>
                  <!-- 公共分页 结束 -->
                </div>
                </div>
              </article>
            </div>
          </section>
        </article>
        <aside class="fl col-3">
          <div class="i-box">
            <div>
              <section class="c-infor-tabTitle c-tab-title">
                <a title href="javascript:void(0)">主讲讲师</a>
              </section>
              <section class="stud-act-list">
                <ul style="height: auto;">
                  <li>
                    <div class="u-face">
                      <a href="#">
                        <img :src="courseWebVo.avatar" width="50" height="50" :alt="courseWebVo.teacherName">
                      </a>
                    </div>
                    <section class="hLh30 txtOf">
                      <a class="c-333 fsize16 fl" href="#">{{ courseWebVo.teacherName }}</a>
                    </section>
                    <section class="hLh20 txtOf">
                      <span class="c-999">{{ courseWebVo.intro }}</span>
                    </section>
                  </li>
                </ul>
              </section>
            </div>
          </div>
        </aside>
        <div class="clear"></div>
      </div>
    </section>
    <!-- /课程详情 结束 -->
  </div>
</template>

<script>
import courseApi from '../../api/course'
import orderApi from '../../api/order'
export default {
  data(){
    return{
      courseWebVo:{}, // 课程基本详情
      chapterVos:[], // 章节和小节
      isBuy: false,
      comments:[], // 评论列表
      current:1,
      pageSize: 5,
      total:0,
      comment:{
        content:'',
        courseId:'',
        teacherId:'',
      },
      courseId:'',
      orderNo:'',//订单号
    }
  },
  created() {
    if(this.$route.params && this.$route.params.id){
      this.courseId = this.$route.params.id;
      this.getCourseDetail(this.courseId);
      this.getComments();
    }
  },
  methods:{
    // 添加订单
    createOrder(){
      // 创建订单
        orderApi.createOrder(this.courseId).then(res=>{
          this.orderNo = res.data.data.orderId;
          // 显示订单
          if(res.data.success){
            this.$router.push({path:'/order/'+this.orderNo})
          }
        })
    },
    // 查询课程详情
    getCourseDetail(courseId){
      courseApi.getCourseDetail(courseId).then(res=>{
        this.courseWebVo = res.data.data.courseWebVo;
        this.chapterVos = res.data.data.chapterVos;
        this.isBuy = res.data.data.isBuy;
      })
    },
    // 评论列表
    getComments(current=1){
      this.current = current
      courseApi.getComments(current,this.pageSize,this.courseId).then(res=>{
        this.comments = res.data.data.map.comments;
        this.current = res.data.data.map.current;
        this.pageSize = res.data.data.map.pageSize;
        this.total = res.data.data.map.total;
      })
    },
    // 添加评论
    addComment(){
      this.comment.courseId = this.courseId
      this.comment.teacherId = this.courseWebVo.teacherId
      courseApi.saveComment(this.comment).then(res=>{
        this.$message({
          message: '添加评论成功',
          type: 'success'
        });
        this.comment.content = ''
        this.getComments();
      }).catch(res=>{
        this.$message({
          message: '添加评论失败',
          type: 'error'
        });
      })
    }
  }
};
</script>


<style scoped>

</style>
